508 
PAGE 
Nocthora trivirgata .......... 140 
Noctilio dorsatus ............ 468 
EUDEF ceiceuwnicscqcss« 400 
Notoride, Mr. Westwood’s Ob- 
servations upon the, with 
characters of two new British 
genera, separated therein.... 57 
Notoxus melanocephalus ....59, 60 
Novaculina Gangetica ........ 464 
DEALS ITT 1 a Sea 
Ockskay, Baron Von, Notice of 
his Paper on the Mus pratensis 474 
Octodon Cumingii............ 495 
Odontis subplicata .... 345 
Cistrus, Mr. MacLeay’s Note on 276 
Cstrus of Mr. Bracy Clark, Mr. 
MacLeay on'the .......0..++.. 
Oonops, a new genus of Spiders 404 
WICKET Boe aay cialalel> «-e. 404 
Operculum of Molluscous Ani- 
mals, mode of ascertaining its 
existence where doubtful.. 33, 34 
Observations onits use.... 34 
Its value in generic charac- 
BEES A fefeterelcieistelefelstelsiatarersis acai 34 
(O09 BTA OER SESE SS GOS 486 
Opistoplatys, a new genus of 
Heteropterous Insects ...... 447 
Australasiz...... 447 
Orang Outang, female, Dr. J. E. 
Grant’s Post Mortem Exami- 
BUGAP TONS OL pect w/re io, ase\ oka hem, cteie ‘ater 91 
Organsof Voice in Birds, Analysis 
of Mr. Yarrell’s Paper onthe 258 
Ornithorhynchus paradoxus .. 118 
Orphnephila, a new genus of Ti- 
pulidous Insects............ 350 
devia -...eccees 300 
Orthoceratites striolatus ++-++- 486 
Orthochile nigroccerulea.. 366, 367 
Ortyx Montezume,......++22. 275 
squamatus ......2. 275 
Oryssus Sayit ....cccccsecssee 440 
WNiIColor’. ., Gee'an<is - 440 
Otaria molossina .......-.-000+ 119 
Otto, Dr., Notice of his Descrip- 
tion of new Crustacea, found 
in the Mediterranean Sea.... 379 
Ovarian saceuli, Dr. Bancroft’s 
Note on a series Of ....+.-0- 
CO VIRMATICS at's «/cpapietne aiatareyeie 
Ozocera, a new genus of Dip- 
CexOuS INSECES . o.c\n cc vs00ee~ 449 
interruptGe...eeeees 449 
Index to Vol. V. 
PAGE 
Palezornis Columboides........ 274 
INOTNAENS) sc. so kane 274 
2? rosaceus ........ 274 
Pandora brevis'’.. Js cteaseestae 99 
Papilio, Notice of Mr. Milne’s 
Attempt to introduce a more 
precise Distribution of the 
SCNVUS! te clolstaicinis ie )aini soy etalietahe 268 
Papilio Cocyta ..... sia s(sisyoi5/8 67 
WEBCO TING costs os iciemiennee 66 
Papilionide, Dr.  Horsfield’ 
Character Ob ie. e)s.c;- plea 105 
Parandra, a genus of Coleop- 
terous Insects, its history.... 
Parmacella, comparison of the 
internal structure of, with that 
of Helicolimax 
Partula flavescens 
Passandra, a genus of Coleop- 
231 
TELOUS, UMSECESS cissictsreisteis eters 223 
Vittata: «> <isecie aeons 224 
Pastré, Dr., Analysis of his 
Memoir on the cause of Hyber- 
Hation intahimals: «pte ee a evee 368 
Patas a bandeau blanc ........ 114 
Pausside, Notice of Mr. West- 
wood’s Paper on the ........ 266 
Paussus flavicornis............ 267 
Pecien Patayonicus ...+...... 337 
BILTONG Han ore evap ercienetena ate 337 
Pedipes, Mr. Lowe on the genus 280 
RedipersAtida nieve sie stern e 281, 297 
Pelvis, Analysis of Dr. Ritgen’s 
Memoir on the Osteology of 
the’,“imt Pishas:c 2... .:<,steice sears 
Pentaplatarth7us, anew genus of 
BauiSsidee ing a ctricrew vets sheets ators 
Paussoides.... 
Pentatoma verrucosa ......+4.. 
Pentatrematites, Mr. Sowerby 
on three new species of...... 
Pentatrematites acuta.... 456 
angulata ...... 457 
inflata’ ........ 457 
oblonga........ 457 
orbicularis...... 456 
pentangularis .. 457 
Penthophera, a British genus .. 113 
Perdix Coturnix, Dr. Heineken’s 
Observations on ........6... 
Perithinus, a new generic sub- 
division of Dolichopidous 
UNSCCESIE 5: c.0 aleie's,<eiese aelaieeiane 
Petrel, Sooty 
Petrophila, Notice of Mr. Lans- 
down Guilding’s Natural His- 
378 
78 
353 
384 
